IL280380A - Realization and application of simultaneous circular polarization in switchable single polarization systems - Google Patents

Realization and application of simultaneous circular polarization in switchable single polarization systems

Info

Publication number
IL280380A
IL280380A IL280380A IL28038021A IL280380A IL 280380 A IL280380 A IL 280380A IL 280380 A IL280380 A IL 280380A IL 28038021 A IL28038021 A IL 28038021A IL 280380 A IL280380 A IL 280380A
Authority
IL
Israel
Prior art keywords
realization
polarization
application
systems
switchable single
Prior art date
Application number
IL280380A
Other languages
Hebrew (he)
Other versions
IL280380B1 (en
Original Assignee
Thinkom Solutions Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thinkom Solutions Inc filed Critical Thinkom Solutions Inc
Publication of IL280380A publication Critical patent/IL280380A/en
Publication of IL280380B1 publication Critical patent/IL280380B1/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/24—Polarising devices; Polarisation filters 
    • H01Q15/242—Polarisation converters
    • H01Q15/244—Polarisation converters converting a linear polarised wave into a circular polarised wave
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/24—Polarising devices; Polarisation filters 
    • H01Q15/242—Polarisation converters
    • H01Q15/246—Polarisation converters rotating the plane of polarisation of a linear polarised wave
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/0006—Particular feeding systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
    • H01Q21/245—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction provided with means for varying the polarisation 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/002—Reducing depolarization effects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/10—Polarisation diversity; Directional diversity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/185—Space-based or airborne stations; Stations for satellite systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
IL280380A 2020-01-29 2021-01-25 Realization and application of simultaneous circular polarization in switchable single polarization systems IL280380B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16/775,375 US11088463B1 (en) 2020-01-29 2020-01-29 Realization and application of simultaneous circular polarization in switchable single polarization systems

Publications (2)

Publication Number Publication Date
IL280380A true IL280380A (en) 2021-07-29
IL280380B1 IL280380B1 (en) 2024-05-01

Family

ID=74236045

Family Applications (1)

Application Number Title Priority Date Filing Date
IL280380A IL280380B1 (en) 2020-01-29 2021-01-25 Realization and application of simultaneous circular polarization in switchable single polarization systems

Country Status (4)

Country Link
US (1) US11088463B1 (en)
EP (1) EP3859986B1 (en)
CA (1) CA3106919C (en)
IL (1) IL280380B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102409154B1 (en) * 2020-12-08 2022-06-14 중앙대학교 산학협력단 In-band full duplex mimo antenna and transceiver using the antenna
CN117335169B (en) * 2023-09-07 2024-04-19 苏州欣天盛科技有限公司 Dual-frequency dual-circular polarization transmission array antenna and method for 5G millimeter wave system

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215957A (en) 1962-03-05 1965-11-02 Bendix Corp Variable polarization for microwaves
US3581242A (en) 1969-10-20 1971-05-25 Us Air Force Variable polarizer for microwave systems
US4716415A (en) * 1984-12-06 1987-12-29 Kelly Kenneth C Dual polarization flat plate antenna
US6369868B1 (en) 1998-06-05 2002-04-09 Reveo, Inc. Liquid crystal polarizer with electrically controllable bandwidth
US5337058A (en) 1993-04-16 1994-08-09 United Technologies Corporation Fast switching polarization diverse radar antenna system
US6507323B1 (en) 2001-03-28 2003-01-14 Rockwell Collins, Inc. High-isolation polarization diverse circular waveguide orthomode feed
US6452561B1 (en) 2001-03-28 2002-09-17 Rockwell Collins, Inc. High-isolation broadband polarization diverse circular waveguide feed
WO2002084801A1 (en) * 2001-04-13 2002-10-24 Comsat Corporation Dual circular polarization flat plate antenna that uses multilayer structure with meander line polarizer
US6563470B2 (en) 2001-05-17 2003-05-13 Northrop Grumman Corporation Dual band frequency polarizer using corrugated geometry profile
US7642978B2 (en) * 2007-03-30 2010-01-05 Itt Manufacturing Enterprises, Inc. Method and apparatus for steering and stabilizing radio frequency beams utilizing photonic crystal structures
EP2356720A4 (en) 2008-10-20 2016-03-30 Ems Technologies Inc Antenna polarization control
JP5603927B2 (en) 2009-04-13 2014-10-08 ビアサット・インコーポレイテッド Multi-beam active phased array architecture
US9941594B2 (en) * 2014-12-11 2018-04-10 Thinkom Solutions, Inc. Inscribed polarizer array for polarization diverse application
US9972915B2 (en) * 2014-12-12 2018-05-15 Thinkom Solutions, Inc. Optimized true-time delay beam-stabilization techniques for instantaneous bandwith enhancement
US10931024B2 (en) * 2019-03-29 2021-02-23 Thinkom Solutions, Inc. Linear-to-CP polarizer with enhanced performance in VICTS antennas
US10819022B1 (en) * 2019-10-01 2020-10-27 Thinkom Solutions, Inc. Partitioned variable inclination continuous transverse stub array

Also Published As

Publication number Publication date
CA3106919C (en) 2024-04-30
CA3106919A1 (en) 2021-07-29
IL280380B1 (en) 2024-05-01
US11088463B1 (en) 2021-08-10
EP3859986A1 (en) 2021-08-04
EP3859986B1 (en) 2023-11-22

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